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Minor clarifications to the TURN docs (#7533)

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Richard van der Hoff 2020-05-20 11:04:34 +01:00 committed by GitHub
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changelog.d/7533.doc Normal file
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@ -0,0 +1 @@
Minor clarifications to the TURN docs.

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@ -18,7 +18,7 @@ For TURN relaying with `coturn` to work, it must be hosted on a server/endpoint
Hosting TURN behind a NAT (even with appropriate port forwarding) is known to cause issues
and to often not work.
## `coturn` Setup
## `coturn` setup
### Initial installation
@ -26,7 +26,13 @@ The TURN daemon `coturn` is available from a variety of sources such as native p
#### Debian installation
# apt install coturn
Just install the debian package:
```sh
apt install coturn
```
This will install and start a systemd service called `coturn`.
#### Source installation
@ -80,21 +86,35 @@ The TURN daemon `coturn` is available from a variety of sources such as native p
user-quota=12 # 4 streams per video call, so 12 streams = 3 simultaneous relayed calls per user.
total-quota=1200
Ideally coturn should refuse to relay traffic which isn't SRTP; see
<https://github.com/matrix-org/synapse/issues/2009>
1. Also consider supporting TLS/DTLS. To do this, add the following settings
to `turnserver.conf`:
# TLS certificates, including intermediate certs.
# For Let's Encrypt certificates, use `fullchain.pem` here.
cert=/path/to/fullchain.pem
# TLS private key file
pkey=/path/to/privkey.pem
1. Ensure your firewall allows traffic into the TURN server on the ports
you've configured it to listen on (remember to allow both TCP and UDP TURN
traffic)
you've configured it to listen on (By default: 3478 and 5349 for the TURN(s)
traffic (remember to allow both TCP and UDP traffic), and ports 49152-65535
for the UDP relay.)
1. If you've configured coturn to support TLS/DTLS, generate or import your
private key and certificate.
1. (Re)start the turn server:
1. Start the turn server:
* If you used the Debian package (or have set up a systemd unit yourself):
```sh
systemctl restart coturn
```
* If you installed from source:
```sh
bin/turnserver -o
```
## synapse Setup
## Synapse setup
Your home server configuration file needs the following extra keys:
@ -126,7 +146,14 @@ As an example, here is the relevant section of the config file for matrix.org:
After updating the homeserver configuration, you must restart synapse:
* If you use synctl:
```sh
cd /where/you/run/synapse
./synctl restart
```
* If you use systemd:
```
systemctl restart synapse.service
```
..and your Home Server now supports VoIP relaying!